Flights Chicago-Ontario

Find cheap Chicago - Ontario flights with our free flight search engine. Compare all available fares for direct flights to Ontario. Search and find the best fares and deals for Chicago to Ontario flights. Find your cheap flight to Ontario (ONT) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to Ontario airport. You can also compare hotels in Ontario and Ontario car rentals.
Compare flights from Chicago to Ontario on regular or low cost flights and find the best CHI - ONT flight prices on Jetcost.
Weather forecast for Ontario
  • Tuesday 6
    Min 7 °C
    Max 13 °C
  • Wednesday 7
    Min 6 °C
    Max 16 °C
  • Thursday 8
    Min 6 °C
    Max 21 °C
  • Friday 9
    Min 10 °C
    Max 18 °C
  • Saturday 10
    Min 8 °C
    Max 18 °C
Climate in Ontario
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    12 °C
    39.00
    8
  • February
    13 °C
    65.00
    10
  • March
    14 °C
    29.00
    8
  • April
    16 °C
    17.00
    7
  • May
    20 °C
    4.00
    4
  • June
    23 °C
    0.00
    2
  • July
    26 °C
    1.00
    1
  • August
    26 °C
    0.00
    1
  • September
    24 °C
    1.00
    2
  • October
    19 °C
    20.00
    5
  • November
    15 °C
    13.00
    4
  • December
    11 °C
    33.00
    7